Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west or northeast neighbor modulo 5 and the upper left element equal to 0.
A266870
Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west or northeast neighbor modulo 5 and the upper left element equal to 0.
Terms
- a(0) =24a(1) =2760a(2) =530368a(3) =132028418a(4) =37478933496
External references
- oeis: A266870